import { LocalLLMConfig, LocalLLMProvider, LocalLLMResponse } from '../types.js';
export declare class LocalLLM {
    private config;
    constructor(config?: Partial<LocalLLMConfig>);
    /** Check if the local provider is reachable. */
    isAvailable(): Promise<boolean>;
    /** Generate text locally. Falls back to deterministic stub when unreachable. */
    generate(prompt: string, system?: string): Promise<LocalLLMResponse>;
    /** Rough per-call cost in USD for a local model — effectively zero (electricity). */
    static estimatedCostUsd(_tokens: number): number;
    getConfig(): LocalLLMConfig;
    setConfig(patch: Partial<LocalLLMConfig>): void;
    private generateOllama;
    private fallback;
}
export declare function getLocalLLM(config?: Partial<LocalLLMConfig>): LocalLLM;
export declare function resetLocalLLMForTests(): void;
/** Map a generic provider preference to a LocalLLMProvider. */
export declare function preferredLocalProvider(pref?: string): LocalLLMProvider;
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